90=2*15+2*W

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Solution for 90=2*15+2*W equation:


Simplifying
90 = 2 * 15 + 2W

Multiply 2 * 15
90 = 30 + 2W

Solving
90 = 30 + 2W

Solving for variable 'W'.

Move all terms containing W to the left, all other terms to the right.

Add '-2W' to each side of the equation.
90 + -2W = 30 + 2W + -2W

Combine like terms: 2W + -2W = 0
90 + -2W = 30 + 0
90 + -2W = 30

Add '-90' to each side of the equation.
90 + -90 + -2W = 30 + -90

Combine like terms: 90 + -90 = 0
0 + -2W = 30 + -90
-2W = 30 + -90

Combine like terms: 30 + -90 = -60
-2W = -60

Divide each side by '-2'.
W = 30

Simplifying
W = 30

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